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SolderWelds staple in Sil-Phos brazing rods is not only with 15% Silver content, but also the B-CuP3, a 5% Silver Copper and Phosphorous infused brazing rod for Copper to Copper applications. This brazing alloy permits the brazing of copper to copper without use of a brazing flux. A go-to brazing filler metal in the HVACR industry, SilSol 5% Sil-Phos Braze generally possesses corrosion resistance equal to that of copper. Available in 1/2 lb tubes within SolderWelds, "All in One Kit" and 1 lb tubes with a hanger.
